你回来干什么

What did you come back for?

→ 你
phrase Rare #28,189
What did you come back for? Depending on tone and context, this can sound annoyed, surprised, or confrontational.
CH: 你回来干什么?
EN: What did you come back for?

你说你回来干什么

Why did you say you were coming back?

— 洗澡 (1999)

你回来干什么啊

What did you come back for?

— 洗澡 (1999)

哎,你回来干什么?

Hey, why did you come back?

— 重庆森林 (1994)

你回来干什么?

What did you come back for?

— 阿飞正传 (1990)